Answer:
Calcium
Explanation:
Calcium is an important element present in the organisms body. The calcium can acts as an important messenger molecule and helps in the process of muscle contraction.
The concentration of calcium ions in the myoplasm leads to the development of force necessary for the movement of actin and myosin molecule. The calcium ions cling the cross bridge formation during muscle contraction.
Thus, the correct answer is option (b).
Answer:
All options are correct.
Explanation:
Fibers may be defined as the type of carbohydrate that cannot be digested by the body. Two main types of fiber are soluble fibers and the insoluble fibers.
Fibers play an important role in the body. Fibers manage the blood sugar level and prevent constipation. The fibers also helps in the reduction of the absorption of cholesterol in the body. Insoluble fibers prevent constipation and soluble fibers maintains blood sugar level.
Thus, all the given options are correct.
Answer:
The correct option is : c. bipolar disorder
Explanation:
A manic depressive illness also known as bipolar disorder, is a serious mental disorder in which the person experiences extreme mood swings ranging from manic highs to depressive lows. The manic highs includes high energy, abnormally elevated mood and reduced need for sleep. Whereas, depressive lows include low energy, loss of interest and even suicidal thoughts.
Therefore, bipolar disorder causes manic-depressive illness in an individual.
Answer: B. difficult
Explanation: Ardous means something that is requiring effort / it's difficult.
Answer:
B
Explanation:
The spinal cord is part of the central nervous system.